Make LayerScrollOffsetDelegate updates consistent.

android_webview/native/aw_contents.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "android_webview/native/aw_contents.h"
 
 #include <limits>
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
@@ skipping 921 matching lines @@
   if (obj.is_null())
     return gfx::Point();
   std::vector<int> location;
   base::android::JavaIntArrayToIntVector(
       env,
       Java_AwContents_getLocationOnScreen(env, obj.obj()).obj(),
       &location);
   return gfx::Point(location[0], location[1]);
 }
 
-void AwContents::SetMaxContainerViewScrollOffset(gfx::Vector2d new_value) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
-  if (obj.is_null())
-    return;
-  Java_AwContents_setMaxContainerViewScrollOffset(
-      env, obj.obj(), new_value.x(), new_value.y());
-}
-
 void AwContents::ScrollContainerViewTo(gfx::Vector2d new_value) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_AwContents_scrollContainerViewTo(
       env, obj.obj(), new_value.x(), new_value.y());
 }
 
 bool AwContents::IsFlingActive() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return false;
   return Java_AwContents_isFlingActive(env, obj.obj());
 }
 
-void AwContents::SetPageScaleFactorAndLimits(
-    float page_scale_factor,
-    float min_page_scale_factor,
-    float max_page_scale_factor) {
+void AwContents::UpdateScrollState(gfx::Vector2d max_scroll_offset,
+                                   gfx::SizeF contents_size_dip,
+                                   float page_scale_factor,
+                                   float min_page_scale_factor,
+                                   float max_page_scale_factor) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
-  Java_AwContents_setPageScaleFactorAndLimits(env,
-                                              obj.obj(),
-                                              page_scale_factor,
-                                              min_page_scale_factor,
-                                              max_page_scale_factor);
-}
-
-void AwContents::SetContentsSize(gfx::SizeF contents_size_dip) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  JNIEnv* env = AttachCurrentThread();
-  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
-  if (obj.is_null())
-    return;
-  Java_AwContents_setContentsSize(
-      env, obj.obj(), contents_size_dip.width(), contents_size_dip.height());
+  Java_AwContents_updateScrollState(env,
+                                    obj.obj(),
+                                    max_scroll_offset.x(),
+                                    max_scroll_offset.y(),
+                                    contents_size_dip.width(),
+                                    contents_size_dip.height(),
+                                    page_scale_factor,
+                                    min_page_scale_factor,
+                                    max_page_scale_factor);
 }
 
 void AwContents::DidOverscroll(gfx::Vector2d overscroll_delta) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
   if (obj.is_null())
     return;
   Java_AwContents_didOverscroll(
       env, obj.obj(), overscroll_delta.x(), overscroll_delta.y());
@@ skipping 92 matching lines @@
     return;
 
   browser_view_renderer_.TrimMemory(level, visible);
 }
 
 void SetShouldDownloadFavicons(JNIEnv* env, jclass jclazz) {
   g_should_download_favicons = true;
 }
 
 }  // namespace android_webview